CN218953610U

CN218953610U - Axial-flow pump blade angle adjusting device

Info

Publication number: CN218953610U
Application number: CN202221989769.7U
Authority: CN
Inventors: 吴敏
Original assignee: Yangzhou Ruifeng Pump Manufacturing Co ltd
Current assignee: Yangzhou Ruifeng Pump Manufacturing Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2023-05-02
Anticipated expiration: 2032-07-30

Abstract

The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump blade angle adjusting device, which comprises a bottom plate, wherein a hollow bin is arranged at the top of the bottom plate, a screw rod is arranged in the hollow bin, a moving block is rotationally connected to the outside of the screw rod, a connecting block is arranged at the top of the moving block, a first extension rod is movably connected to one side of the connecting block, blades are arranged at the top of the first extension rod, and a rectangular block is arranged at one side of the bottom plate, which is positioned in the hollow bin, and the beneficial effects are that: through hollow storehouse, lead screw, movable block, connecting block, first extension pole, blade, rectangle piece, second extension pole, the motor that sets up, starter motor drives the inside rotation of lead screw in hollow storehouse, then the movable block at the inside rectilinear motion of hollow storehouse, afterwards the connecting block moves along with the motion of movable block, afterwards first extension pole and second extension pole slope are favorable to then changing the angle of blade.

Description

Axial-flow pump blade angle adjusting device

Technical Field

The utility model relates to the technical field of axial flow pumps, in particular to an axial flow pump blade angle adjusting device.

Background

The axial flow pump has 2-7 blades and rotates inside a circular pipe pump casing, and the pump casing in the upper part of the impeller has fixed guide vanes to eliminate the rotation of liquid, change the rotation into axial motion and convert the kinetic energy of the rotation into pressure energy, and has single stage, two stages, flow rate in great range of 180-360 ten thousand cubic meters per hour and lift below 20 meters.

The existing vane can not be used for quickly adjusting the angle, so that the vane is always at the same angle, and the use of the axial pump is greatly limited.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an axial flow pump blade angle adjusting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an axial-flow pump blade angle adjusting device, includes the bottom plate, the top of bottom plate is provided with hollow storehouse, the inside of hollow storehouse is provided with the lead screw, the outside of lead screw rotates and is connected with the movable block, the top of movable block is provided with the connecting block, one side swing joint of connecting block has first extension pole, the top of first extension pole is provided with the blade, the bottom plate is located one side of hollow storehouse and is provided with the rectangle piece, one side swing joint of rectangle piece has the second extension pole, first extension pole and second extension pole swing joint, the motor is installed at the top of bottom plate, the output and the lead screw of motor are connected, the top of bottom plate inner chamber is provided with first damping spring, the bottom of first damping spring is connected with first shock absorber plate, the bottom of first damping plate is provided with elastic air bag, the bottom of elastic air bag is provided with the second damping plate, the bottom of second damping plate is connected with second damping spring, second damping spring is connected with the bottom of bottom plate inner chamber.

Preferably, a waterproof cover is arranged outside the motor and connected with the top of the bottom plate.

Preferably, a rotating system is arranged inside the first extension rod, and the rotating system is connected with the blade.

Preferably, the first damping springs and the second damping plates have the same structure, and the number of the first damping springs is equal to that of the second damping plates.

Preferably, a placing groove is formed in one end of the hollow bin, and one end of the screw rod is located in the placing groove.

Preferably, the elastic air bag is filled with air, and the shape of the elastic air bag is the same as that of the first damping spring and the second damping plate.

The axial flow pump blade angle adjusting device provided by the utility model has the beneficial effects that:

1. the hollow bin, the screw rod, the moving block, the connecting block, the first extension rod, the blade, the rectangular block, the second extension rod and the motor are arranged, the motor is started to drive the screw rod to rotate in the hollow bin, then the moving block moves linearly in the hollow bin, then the connecting block moves along with the movement of the moving block, and then the first extension rod and the second extension rod incline, so that the angle of the blade can be changed;

2. through the first damping spring, first shock attenuation board, elasticity gasbag, second shock attenuation board, second damping spring that set up, the axial-flow pump bottom plate can produce the vibration when work, and the blade also can vibrate when the bottom plate vibrates, and the solution is as follows: when vibrations are generated, the vibrations are transmitted to the first damping spring and then transmitted to the first damping plate, the vibrations are reduced through layer-by-layer transmission, and then the vibrations are further reduced due to the elastic action when the vibrations are transmitted to the elastic air bags, and then the residual vibrations are transmitted to the second damping plate and the second damping spring to further reduce the vibrations, so that the rotation efficiency of the blades is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 shows an extension strip of the inner structure of the base plate according to the present utility model.

Fig. 3 is a schematic diagram of a structure at a according to the present utility model.

In the figure: 1. a bottom plate; 2. a hollow bin; 3. a screw rod; 4. a moving block; 5. a connecting block; 6. a first extension rod; 7. a blade; 8. rectangular blocks; 9. a second extension rod; 10. a motor; 11. a first damper spring; 12. a first shock absorbing plate; 13. an elastic air bag; 14. a second shock absorbing plate; 15. and a second damping spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in detail to those skilled in the art, and the following description will explain embodiments thereof according to the overall structure of the present utility model.

Referring to fig. 1-3, an axial flow pump blade angle adjusting device comprises a bottom plate 1, wherein a hollow bin 2 is arranged at the top of the bottom plate 1, a screw rod 3 is arranged in the hollow bin 2, a moving block 4 is rotationally connected to the outside of the screw rod 3, a connecting block 5 is arranged at the top of the moving block 4, a first extension rod 6 is movably connected to one side of the connecting block 5, a blade 7 is arranged at the top of the first extension rod 6, a rectangular block 8 is arranged at one side of the bottom plate 1, a second extension rod 9 is movably connected to one side of the rectangular block 8, a motor 10 is arranged at the top of the bottom plate 1, the output end of the motor 10 is connected with the screw rod 3, a first damping spring 11 is arranged at the top of an inner cavity of the bottom plate 1, a first damping plate 12 is movably connected to the bottom of the first damping spring 11, an elastic air bag 13 is arranged at the bottom of the first damping plate 12, a second air bag 14 is movably connected to the bottom of the second damping spring 14, and the bottom of the second damping spring 15 is connected to the bottom plate 1;

through hollow storehouse 2, lead screw 3, movable block 4, connecting block 5, first extension pole 6, blade 7, rectangular block 8, second extension pole 9, motor 10 that sets up, start motor 10 drives lead screw 3 and rotates in the inside of hollow storehouse 2, then movable block 4 is at the inside rectilinear motion of hollow storehouse 2, afterwards connecting block 5 moves along with the motion of movable block 4, afterwards first extension pole 6 and second extension pole 9 slope are favorable to then changing the angle of blade 7, through first damping spring 11 that sets up, first shock-absorbing plate 12, elastic air bag 13, second damping plate 14, second damping spring 15, bottom plate 1 can produce the vibration when the axial-flow pump is at work, blade 7 also can vibrate when bottom plate 1 vibrates, the solution is as follows: when vibration is generated, the vibration is transmitted to the first damping spring 11 and then transmitted to the first damping plate 12, the vibration is reduced through layer-by-layer transmission, then the vibration is further reduced due to the elastic action when the vibration is transmitted to the elastic air bag 13, and then the residual vibration is transmitted to the second damping plate 14 and the second damping spring 15 to further reduce the vibration, so that the rotation efficiency of the blade 7 is improved.

Wherein, a waterproof cover is arranged outside the motor 10 and is connected with the top of the bottom plate 1; the motor 10 is conveniently protected by the waterproof cover.

Wherein, a rotating system is arranged in the first extension rod 6, and the rotating system is connected with the blade 7; the provision of a rotating system facilitates powering of the blades 7.

The first damping springs 11 and the second damping plates 14 have the same structure, and the number of the first damping springs 11 and the number of the second damping plates 14 are equal; by setting the first damper springs 11 and the second damper plates 14 to be equal in number in the same structure, dual damping is facilitated and the damping effect is improved.

Wherein, one end of the hollow bin 2 is provided with a placing groove, and one end of the screw rod 3 is positioned in the placing groove; the support force during rotation is conveniently provided for one end of the screw rod 3 through the arranged placing groove.

Wherein, the inside of the elastic air bag 13 is filled with air, and the shape of the elastic air bag 13 is the same as that of the first damping spring 11 and the second damping plate 14; the vibration is reduced by the elasticity facilitated by filling the inside of the elastic balloon 13 with gas.

Working principle: through hollow storehouse 2, lead screw 3, movable block 4, connecting block 5, first extension pole 6, blade 7, rectangular block 8, second extension pole 9, motor 10 that set up, start motor 10 drives lead screw 3 and rotates in the inside of hollow storehouse 2, then movable block 4 is at the inside rectilinear motion of hollow storehouse 2, afterwards connecting block 5 moves along with the motion of movable block 4, afterwards first extension pole 6 and second extension pole 9 slope, then change the angle of blade 7, bottom plate 1 can produce the vibration when the work, blade 7 also can vibrate when bottom plate 1 vibrates, the solution is as follows: when vibration is generated, the vibration is transmitted to the first damping spring 11 and then transmitted to the first damping plate 12, the vibration is reduced through layer-by-layer transmission, then the vibration is further reduced due to the elastic action when the vibration is transmitted to the elastic air bag 13, and then the residual vibration is transmitted to the second damping plate 14 and the second damping spring 15 to further reduce the vibration, so that the rotation efficiency of the blade 7 is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an axial-flow pump blade angle adjusting device, includes bottom plate (1), its characterized in that: the top of bottom plate (1) is provided with hollow storehouse (2), the inside of hollow storehouse (2) is provided with lead screw (3), the outside rotation of lead screw (3) is connected with movable block (4), the top of movable block (4) is provided with connecting block (5), one side swing joint of connecting block (5) has first extension pole (6), the top of first extension pole (6) is provided with blade (7), one side that bottom plate (1) is located hollow storehouse (2) is provided with rectangle piece (8), one side swing joint of rectangle piece (8) has second extension pole (9), first extension pole (6) and second extension pole (9) swing joint, motor (10) are installed at the top of bottom plate (1), the output and the lead screw (3) of motor (10) are connected, the top of bottom plate (1) inner chamber is provided with first damping spring (11), the bottom of first damping spring (11) is connected with first board (12), one side swing joint of rectangle piece (8) has second extension pole (9), the bottom of first damping spring (14) is provided with second damping spring (14) bottom (13), the second damping spring (15) is connected with the bottom of the inner cavity of the bottom plate (1).

2. An axial flow pump blade angle adjusting device according to claim 1, characterized in that the outside of the motor (10) is provided with a waterproof cover, which is connected with the top of the bottom plate (1).

3. An axial flow pump blade angle adjusting device according to claim 1, characterized in that the first extension rod (6) is internally provided with a rotation system, which is connected with the blade (7).

4. An axial flow pump blade angle adjusting device according to claim 1, wherein the first damper springs (11) and the second damper plates (14) are identical in structure, and the first damper springs (11) and the second damper plates (14) are equal in number.

5. The axial flow pump blade angle adjusting device according to claim 1, wherein a placing groove is formed in one end of the hollow bin (2), and one end of the screw rod (3) is located in the placing groove.

6. An axial flow pump vane angle adjusting device according to claim 1, characterized in that the inside of the elastic air bag (13) is filled with gas, and the shape of the elastic air bag (13) is the same as the shape of the first damper spring (11) and the second damper plate (14).